Mechanic rebuilding a transmission that he's about to install into customer vehicle

Auto insurance typically does not cover transmission failure caused by wear, neglected maintenance, or mechanical breakdown. Transmission, however, can be covered if the damage is a direct result of an insured event, but other options are also available, such as commercial warranties, service contracts, recalls, and mechanical breakdown insurance.

In situations where an original transmission is damaged, auto insurance typically does not cover the expenses incurred for the repair or the replacement. One must bear in mind that the applicability of any insurance depends on the cause of the damage rather than on the cost of repairs. Regular collision and comprehensive insurance policies are meant to cover damage of a physical nature due to insurable incidents, and warranties or mechanical breakdown services are there to cover damage resulting from mechanical malfunctions.

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When Transmission Replacement Is Usually Not Covered

Regular auto insurance usually does not cover mechanical failures, wear and tear, or deterioration. Collision coverage might account for damage resulting from a car accident or rollover, but it usually does not insure a broken transmission. Although more extensive than collision coverage, comprehensive coverage still excludes mechanical breakdown of parts and wear.

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Transmission replacement is therefore usually not covered when the failure results from:

  • Normal wear or high mileage
  • Internal mechanical breakdown
  • Neglected fluid changes or other maintenance
  • Gradual overheating
  • Long-term clutch, bearing, gear, or valve-body wear
  • Driving with low transmission fluid
  • A pre-existing problem
  • A manufacturing defect unrelated to a covered accident

An insurance company may deny a portion of a claim, or even the whole claim, on the basis of any prior transmission issue that aggravates the subsequent damage. For example, driving after receiving a severe slippage, overheating, or low fluid reading may complicate the insurance investigation into the cause of the damage.

When Transmission Damage May Be Covered

Coverage may be applicable if there is damage to a transmission caused by an insured loss. Collision coverage can pay for damage to the transmission in case an accident occurs that damages the transmission housing, oil pan, mounts, shaft, radiator, or any other part.

Comprehensive coverage could apply if the transmission receives noncollision damage through something like a fire, flood, acts of vandalism, theft, something falling on the car or transmission, or an animal hitting it. Comprehensive coverage typically pays for these types of losses, but coverage depends on what the specific terms of the policy state, including deductible, exclusions, and the circumstances of the loss. It cannot be presumed that all flooded transmissions are covered automatically.

In some cases, although a claim is covered by the policy, it does not imply the insurance company will approve the replacement of the failed part with a new one. Instead of paying for a completely new component, the insurer may allow the damaged transmission to be repaired, replaced with a remanufactured part, or substituted with a used one depending on the age and value of the vehicle as well as the insurance policy. However, if the repair costs amount to the cash value of the vehicle, it may be treated as a total loss.

Other Possible Sources of Coverage

The powertrain warranty of the manufacturer may cover failures of the transmission caused by defects during the given period of time and mileage. Certified pre-owned warranty may also add to the previous warranty, but the extended service contract may cover some failures of the transmission that may not be included in the original warranty. The policies differ from the standard auto insurance policy; they are described by their own exclusions, deductibles, requirements for maintenance, and approval process.

Mechanical breakdown insurance is yet another potential source. Some of the policies cover major components like the transmission after the expiration of the manufacturer’s warranty, but they do not cover maintenance or wear and tear.

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Besides, owners are supposed to check for any ongoing safety recalls, warranty extensions, technical service campaigns, as well as possible goodwill assistance. In fact, federal safety recalls should be fixed free of charge by a manufacturer, although normal service campaigns and goodwill assistance depend on the specific manufacturer’s procedure and approval.

Always contact the insurance company, warranty provider, or manufacturer before taking any steps toward disassembly, rebuild, or replacement since they must give their approval first. A written diagnosis must be acquired in order to find out why the automobile has failed; if this is not done, the owner is at risk of having to pay for further expenses that would not happen if prior approval from the insurer is sought out.